Abstract: A method of shimming a magnetic field, includes applying radio frequency (RF) signals to an object, using a transceiver coil, and calibrating phase offsets of magnetic resonance signals acquired from the object through a receiver coil. The method further includes generating RF signals to be applied through the transceiver coil based on magnetic resonance signals acquired from the object through the transceiver coil and the calibrated magnetic resonance signals.

Abstract: A method and apparatus for generating a magnetic resonance image including applying to a target first radio frequency (RF) pulses having phases and different frequencies to excite a plurality of sub-volumes constituting a volume of the target, and acquiring first magnetic resonance signals from the plurality of sub-volumes, and applying to the target second RF pulses having the same frequencies as the frequencies of the first RF pulses and phases at least one of which is different from the phases of the first RF pulses, and acquiring second magnetic resonance signals from the plurality of sub-volumes. Also, data may be generated based on the first and second magnetic resonance signals.

Abstract: a radio frequency (RF) coil device includes a plurality of RF coil elements configured to generate an RF magnetic field, and a support member configured to support the plurality of RF coil elements so that at least one of the plurality of RF coil elements is movable.

Abstract: Provided is a receiving coil for a magnetic resonance imaging (MRI) apparatus, in which the receiving coil includes at least one coil element aligned that is not parallel to a central axis of the receiving coil. The receiving coil is provided in a cylindrical form including ring-type support members and a cylinder-type support member having open ends.

Abstract: An apparatus and method for compensating for an artifact of higher order diffusion Magnetic Resonance Imaging (MRI) are provided. The apparatus includes a construction unit configured to construct a diffusion q-space matrix, a correction unit configured to correct an image shift in a phase encoding direction in the constructed diffusion q-space matrix, a reconstruction processing unit configured to reconstruct a q-space of a Diffusion Spectrum Imaging (DSI) based on the corrected image shift, and a tracking processing unit to process a DSI fiber tracking using the reconstructed q-space of the DSI.

Abstract: A method of shimming a magnetic field, includes applying radio frequency (RF) signals to an object, using a transceiver coil, and calibrating phase offsets of magnetic resonance signals acquired from the object through a receiver coil. The method further includes generating RF signals to be applied through the transceiver coil based on magnetic resonance signals acquired from the object through the transceiver coil and the calibrated magnetic resonance signals.

Abstract: A magnetic resonance imaging (MRI) system includes a main magnet configured to generate a static magnetic field, a gradient coil configured to generate a gradient magnetic field, and a radio frequency (RF) coil including a plurality of RF coils corresponding to volumes representing target regions of a subject.

Abstract: Provided is a magnetic resonance imaging and positron emission tomography (MRI-PET) system. The MRI-PET system includes a PET unit and a radiofrequency (RF) coil disposed within a gradient coil assembly.

Abstract: Provided are apparatuses and methods for magnetic resonance imaging (MRI). The magnetic resonance imaging (MRI) method includes applying radio frequency (RF) pulses to an object in a magnetic field, the RF pulses having different frequency bands for each of at least two types of nucleus in the object; applying predetermined pulse sequences for each type of nucleus to the object; receiving magnetic resonance signals emitted by each nucleus in response to the RF pulses and the predetermined pulse sequences; and generating an image of the object based on the received magnetic resonance signals.

Abstract: A method and apparatus for generating a magnetic resonance image including applying to a target first radio frequency (RF) pulses having phases and different frequencies to excite a plurality of sub-volumes constituting a volume of the target, and acquiring first magnetic resonance signals from the plurality of sub-volumes, and applying to the target second RF pulses having the same frequencies as the frequencies of the first RF pulses and phases at least one of which is different from the phases of the first RF pulses, and acquiring second magnetic resonance signals from the plurality of sub-volumes. Also, data may be generated based on the first and second magnetic resonance signals.

Abstract: a radio frequency (RF) coil device includes a plurality of RF coil elements configured to generate an RF magnetic field, and a support member configured to support the plurality of RF coil elements so that at least one of the plurality of RF coil elements is movable.

Abstract: In the present invention, time information is sent through a common power line in executing home automation devices or using various industrial equipments. In the power line broadcasting, a small amount of data, such as time information, is transmitted unidirectionally, and long-distance power line broadcasting can be possible using carriers of a low frequency band. time setting for various instruments is automatically performed in response to a power signal after a breakdown of electric current, making unnecessary a user's action to perform the time setting, and the existing power line can be used without change.

Abstract: A magnetic resonance imaging (MRI) method includes: applying radio-frequency (RF) pulses comprising a plurality of frequency components and a selection gradient to a subject to simultaneously excite a plurality of sub-volumes in each of a plurality of groups, wherein a plurality of sub-volumes making up a volume of the subject are divided into the plurality of groups so that any neighboring sub-volumes belong to different groups; performing three-dimensional (3D) encoding on each of the excited sub-volumes using a plurality of encoding methods; acquiring magnetic resonance signals from the encoded sub-volumes; and reconstructing the acquired magnetic resonance signals into image data corresponding to each of the encoded sub-volumes.

Abstract: A magnetic resonance imaging (MRI) method includes defining a plurality of sub-volumes so that each of the sub-volumes includes a plurality of sequential slices of a plurality of slices that make up a volume of a subject, wherein the sub-volumes are divided into a plurality of groups so that any neighboring sub-volumes belong to different groups; applying radio-frequency (RF) pulses including a plurality of frequency components and a selection gradient to the subject to simultaneously excite a plurality of sub-volumes in each of the groups; performing three-dimensional (3D) encoding on each of the excited sub-volumes so that only some slices of the plurality of slices in each of the excited sub-volumes are encoded in a slice direction; acquiring magnetic resonance signals from the encoded sub-volumes; and reconstructing the acquired magnetic resonance signals into image data corresponding to each of the plurality of slices in each of the encoded sub-volumes.

Abstract: A method of magnetic resonance imaging (MRI) includes applying radio frequency (RF) pulses including a plurality of frequency components and a selection gradient to a target to simultaneously excite a plurality of sub-volumes included in each of a plurality of groups, wherein neighboring sub-volumes of all sub-volumes constituting a volume of the target belong to different groups; acquiring magnetic resonance signals from the plurality of sub-volumes by performing 3D encoding on each of the excited sub-volumes; and reconstructing the acquired magnetic resonance signals into image data corresponding to each of the plurality of sub-volumes.

Abstract: An apparatus and method for compensating for an artifact of higher order diffusion Magnetic Resonance Imaging (MRI) are provided. The apparatus includes a construction unit configured to construct a diffusion q-space matrix, a correction unit configured to correct an image shift in a phase encoding direction in the constructed diffusion q-space matrix, a reconstruction processing unit configured to reconstruct a q-space of a Diffusion Spectrum Imaging (DSI) based on the corrected image shift, and a tracking processing unit to process a DSI fiber tracking using the reconstructed q-space of the DSI.

Abstract: A nano-patterned membrane electrode assembly (MEA) is provided, which includes an electrolyte membrane layer having a three-dimensional close-packed array of hexagonal-pyramids, a first porous electrode layer, disposed on a top surface of the electrolyte membrane layer that conforms to a top surface-shape of the three-dimensional close-packed array of hexagonal-pyramids, and a second porous electrode layer disposed on a bottom surface of said electrolyte membrane layer that conforms to a bottom surface-shape of the three-dimensional close-packed array of hexagonal-pyramids, where a freestanding nano-patterned MEA is provided.

Abstract: In the present invention, time information is sent through a common power line in executing home automation devices or using various industrial equipments. In the power line broadcasting, a small amount of data, such as time information, is transmitted unidirectionally, and long-distance power line broadcasting can be possible using carriers of a low frequency band. time setting for various instruments is automatically performed in response to a power signal after a breakdown of electric current, making unnecessary a user's action to perform the time setting, and the existing power line can be used without change.

Abstract: A method of manufacturing a proton conductive solid oxide fuel cell, the method including: forming a metallic mask layer having nanoholes on a first surface of a substrate; selectively etching the first surface of the substrate using the metallic mask layer; depositing a first membrane electrode assembly (MEA) member on the etched first surface of the substrate; etching an opposing second surface of the substrate; and forming second and third MEA members on the first MEA member.

Abstract: A proton conducting electrolyte membrane comprising a ceramic electrolyte layer including an inorganic proton conductor and a ceramic protective layer formed on at least one surface of the ceramic electrolyte layer and having proton conductivity; a membrane electrode assembly including the proton conducting electrolyte membrane; and a proton conducting ceramic fuel cell including the membrane electrode assembly. In the proton conducting electrolyte membrane, the ceramic protective layer may have an improved chemical bond with the ceramic electrolyte layer compared with a Pd metal protective layer, such that interlayer delamination may be lessened. Also, compared with a Pd metal protective layer, the ceramic protective layer is more appropriate for ceramic electrolytes such as BYZ and BYC that transmit protons or simultaneously transmit protons and oxygen ions used in a fuel cell operating at a temperature range of about 200 to about 500° C., for example, about 250 to about 500° C.